summaryrefslogtreecommitdiff
path: root/drivers/usb/serial/ssu100.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/usb/serial/ssu100.c')
-rw-r--r--drivers/usb/serial/ssu100.c75
1 files changed, 38 insertions, 37 deletions
diff --git a/drivers/usb/serial/ssu100.c b/drivers/usb/serial/ssu100.c
index 3fee23bf0c14..868d1e6852e2 100644
--- a/drivers/usb/serial/ssu100.c
+++ b/drivers/usb/serial/ssu100.c
@@ -46,8 +46,6 @@
#define FULLPWRBIT 0x00000080
#define NEXT_BOARD_POWER_BIT 0x00000004
-static bool debug;
-
/* Version Information */
#define DRIVER_VERSION "v0.1"
#define DRIVER_DESC "Quatech SSU-100 USB to Serial Driver"
@@ -69,13 +67,6 @@ struct ssu100_port_private {
struct async_icount icount;
};
-static void ssu100_release(struct usb_serial *serial)
-{
- struct ssu100_port_private *priv = usb_get_serial_port_data(*serial->port);
-
- kfree(priv);
-}
-
static inline int ssu100_control_msg(struct usb_device *dev,
u8 request, u16 data, u16 index)
{
@@ -135,7 +126,7 @@ static inline int update_mctrl(struct usb_device *dev, unsigned int set,
int result;
if (((set | clear) & (TIOCM_DTR | TIOCM_RTS)) == 0) {
- dbg("%s - DTR|RTS not being set|cleared", __func__);
+ dev_dbg(&dev->dev, "%s - DTR|RTS not being set|cleared\n", __func__);
return 0; /* no change */
}
@@ -148,7 +139,7 @@ static inline int update_mctrl(struct usb_device *dev, unsigned int set,
result = ssu100_setregister(dev, 0, UART_MCR, urb_value);
if (result < 0)
- dbg("%s Error from MODEM_CTRL urb", __func__);
+ dev_dbg(&dev->dev, "%s Error from MODEM_CTRL urb\n", __func__);
return result;
}
@@ -164,7 +155,7 @@ static int ssu100_initdevice(struct usb_device *dev)
result = ssu100_getdevice(dev, data);
if (result < 0) {
- dbg("%s - get_device failed %i", __func__, result);
+ dev_dbg(&dev->dev, "%s - get_device failed %i\n", __func__, result);
goto out;
}
@@ -172,25 +163,25 @@ static int ssu100_initdevice(struct usb_device *dev)
result = ssu100_setdevice(dev, data);
if (result < 0) {
- dbg("%s - setdevice failed %i", __func__, result);
+ dev_dbg(&dev->dev, "%s - setdevice failed %i\n", __func__, result);
goto out;
}
result = ssu100_control_msg(dev, QT_GET_SET_PREBUF_TRIG_LVL, 128, 0);
if (result < 0) {
- dbg("%s - set prebuffer level failed %i", __func__, result);
+ dev_dbg(&dev->dev, "%s - set prebuffer level failed %i\n", __func__, result);
goto out;
}
result = ssu100_control_msg(dev, QT_SET_ATF, ATC_DISABLED, 0);
if (result < 0) {
- dbg("%s - set ATFprebuffer level failed %i", __func__, result);
+ dev_dbg(&dev->dev, "%s - set ATFprebuffer level failed %i\n", __func__, result);
goto out;
}
result = ssu100_getdevice(dev, data);
if (result < 0) {
- dbg("%s - get_device failed %i", __func__, result);
+ dev_dbg(&dev->dev, "%s - get_device failed %i\n", __func__, result);
goto out;
}
@@ -201,7 +192,7 @@ static int ssu100_initdevice(struct usb_device *dev)
result = ssu100_setdevice(dev, data);
if (result < 0) {
- dbg("%s - setdevice failed %i", __func__, result);
+ dev_dbg(&dev->dev, "%s - setdevice failed %i\n", __func__, result);
goto out;
}
@@ -216,7 +207,7 @@ static void ssu100_set_termios(struct tty_struct *tty,
struct ktermios *old_termios)
{
struct usb_device *dev = port->serial->dev;
- struct ktermios *termios = tty->termios;
+ struct ktermios *termios = &tty->termios;
u16 baud, divisor, remainder;
unsigned int cflag = termios->c_cflag;
u16 urb_value = 0; /* will hold the new flags */
@@ -249,7 +240,7 @@ static void ssu100_set_termios(struct tty_struct *tty,
if (!baud)
baud = 9600;
- dbg("%s - got baud = %d\n", __func__, baud);
+ dev_dbg(&port->dev, "%s - got baud = %d\n", __func__, baud);
divisor = MAX_BAUD_RATE / baud;
@@ -261,7 +252,7 @@ static void ssu100_set_termios(struct tty_struct *tty,
result = ssu100_control_msg(dev, QT_GET_SET_UART, divisor, urb_value);
if (result < 0)
- dbg("%s - set uart failed", __func__);
+ dev_dbg(&port->dev, "%s - set uart failed\n", __func__);
if (cflag & CRTSCTS)
result = ssu100_control_msg(dev, QT_HW_FLOW_CONTROL_MASK,
@@ -270,7 +261,7 @@ static void ssu100_set_termios(struct tty_struct *tty,
result = ssu100_control_msg(dev, QT_HW_FLOW_CONTROL_MASK,
0, 0);
if (result < 0)
- dbg("%s - set HW flow control failed", __func__);
+ dev_dbg(&port->dev, "%s - set HW flow control failed\n", __func__);
if (I_IXOFF(tty) || I_IXON(tty)) {
u16 x = ((u16)(START_CHAR(tty) << 8) | (u16)(STOP_CHAR(tty)));
@@ -282,7 +273,7 @@ static void ssu100_set_termios(struct tty_struct *tty,
0, 0);
if (result < 0)
- dbg("%s - set SW flow control failed", __func__);
+ dev_dbg(&port->dev, "%s - set SW flow control failed\n", __func__);
}
@@ -304,7 +295,7 @@ static int ssu100_open(struct tty_struct *tty, struct usb_serial_port *port)
QT_TRANSFER_IN, 0x01,
0, data, 2, 300);
if (result < 0) {
- dbg("%s - open failed %i", __func__, result);
+ dev_dbg(&port->dev, "%s - open failed %i\n", __func__, result);
kfree(data);
return result;
}
@@ -319,10 +310,10 @@ static int ssu100_open(struct tty_struct *tty, struct usb_serial_port *port)
/* set to 9600 */
result = ssu100_control_msg(dev, QT_GET_SET_UART, 0x30, 0x0300);
if (result < 0)
- dbg("%s - set uart failed", __func__);
+ dev_dbg(&port->dev, "%s - set uart failed\n", __func__);
if (tty)
- ssu100_set_termios(tty, port, tty->termios);
+ ssu100_set_termios(tty, port, &tty->termios);
return usb_serial_generic_open(tty, port);
}
@@ -423,7 +414,7 @@ static int ssu100_ioctl(struct tty_struct *tty,
{
struct usb_serial_port *port = tty->driver_data;
- dbg("%s cmd 0x%04x", __func__, cmd);
+ dev_dbg(&port->dev, "%s cmd 0x%04x\n", __func__, cmd);
switch (cmd) {
case TIOCGSERIAL:
@@ -437,28 +428,40 @@ static int ssu100_ioctl(struct tty_struct *tty,
break;
}
- dbg("%s arg not supported", __func__);
+ dev_dbg(&port->dev, "%s arg not supported\n", __func__);
return -ENOIOCTLCMD;
}
static int ssu100_attach(struct usb_serial *serial)
{
+ return ssu100_initdevice(serial->dev);
+}
+
+static int ssu100_port_probe(struct usb_serial_port *port)
+{
struct ssu100_port_private *priv;
- struct usb_serial_port *port = *serial->port;
priv = kzalloc(sizeof(*priv), GFP_KERNEL);
- if (!priv) {
- dev_err(&port->dev, "%s- kmalloc(%Zd) failed.\n", __func__,
- sizeof(*priv));
+ if (!priv)
return -ENOMEM;
- }
spin_lock_init(&priv->status_lock);
init_waitqueue_head(&priv->delta_msr_wait);
+
usb_set_serial_port_data(port, priv);
- return ssu100_initdevice(serial->dev);
+ return 0;
+}
+
+static int ssu100_port_remove(struct usb_serial_port *port)
+{
+ struct ssu100_port_private *priv;
+
+ priv = usb_get_serial_port_data(port);
+ kfree(priv);
+
+ return 0;
}
static int ssu100_tiocmget(struct tty_struct *tty)
@@ -649,7 +652,8 @@ static struct usb_serial_driver ssu100_device = {
.open = ssu100_open,
.close = ssu100_close,
.attach = ssu100_attach,
- .release = ssu100_release,
+ .port_probe = ssu100_port_probe,
+ .port_remove = ssu100_port_remove,
.dtr_rts = ssu100_dtr_rts,
.process_read_urb = ssu100_process_read_urb,
.tiocmget = ssu100_tiocmget,
@@ -668,6 +672,3 @@ module_usb_serial_driver(serial_drivers, id_table);
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL");
-
-module_param(debug, bool, S_IRUGO | S_IWUSR);
-MODULE_PARM_DESC(debug, "Debug enabled or not");
generated by cgit v1.2.3 (git 2.39.0) at 2025-01-14 11:13:30 +0300